Chapter 2 P RINCIPLES
6.4 F UTURE P ERSPECTIVES
6.4.2 Is an LCD Powered by a Battery Possible?— Further Power Reduction
SID held in San Antonio, TX, USA [72]. Currently, the Stencil-FSC LCD-TV uses a 3-in-1 RGB-LED backlight system to enhance image quality while simultaneous reducing power
240Hz Stencil‐FSC 180Hz Stencil‐FSC Two‐color‐field
Test Image
consumption to less than 35 Watts. However, the average power efficiency of RGB-LED is only 40 lm/W, which is lower than that of a CCFL. To make a battery-powered more practicable for a Stencil-FSC LCD-TV, the high power efficiency of 150 lm/W white-light LED [6] should be added onto the RGB-set to be a 4-in-1 RGBW backlight system, as illustrated in Fig. 6-7.
Fig. 6-7 Further power reduction through using RGBW 4-in-1 LED in the backlight system.
As we enjoy the convenience and entertainment from increasingly developed technologies, have we ever considered that the Earth is gradually moving forward catastrophe? “Love Our Earth” is no longer a slogan; in fact, we have a moral obligation to maintain a healthy Earth.
As a global citizen, small changes to our daily routine (e.g. biking, carpooling, or taking mass transportation wherever possible) can add up to big differences in helping the Earth continue.
As engineers, we wish to design new products and develop advanced technologies while simultaneously considering practicability and eco-friendliness. This dissertation successfully demonstrated the Stencil-FSC method on a high optical throughput color filter-less LCD and showed a good image quality using only 35 Watts average power consumption on a 32-inch LCD. The required power is equivalent to 20% of the same size full-on LED backlight LCD-TV. In the future, we expect that human beings will enjoy multimedia with families or friends and simultaneously help the Earth.
RGB BL RGBW BL
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A PPENDIX
80 Test Images
C URRICULUM V ITAE
z PERSONAL
I
NFORMATION Date of Birth－1978/02/10
Place of Birth－Taichung, Taiwan
Nationality－Taiwan
Gender－Male
Marital Status－Married
Language－Chinese and English
Academic Degree－Ph.D.
E-mail: [email protected] z EDUCATION
2005/07- 2009/08 Ph. D. in Institute of Electro-Optical Engineering National Chiao Tung University, Hsinchu, Taiwan
* Dissertation－“A High Image Quality and Low Power Consumption Eco-LCD Using Stencil Field-Sequential-Color Methods”
* Advisors－Prof. Han-Ping D. Shieh and Prof. Yi-Pai Huang
2000/09- 2002/06 MS in Department of Physics
National Cheng Kung University, Tainan, Taiwan * Thesis－“Spectroscopy Studies of the Cs2 B1Πu State”
* Advisor－Prof. Chin-Chun Tsai
1996/09- 2000/06 BS in Department of Physics
National Cheng Kung University, Tainan, Taiwan * Project－“Image Processing with LabVIEW Software”
* Advisor－Prof. Chin-Chun Tsai z EXPERIENCE
2005/07- 2005/08 Internship in Research & Design Center
Chuanghwa Picture Tubes, LTD., Taoyuan, Taiwan
* Project－“Field-Sequential-Color with OCB-Mode LCDs”
2005/01- 2005/04 ESL Student, Hunter College, NYC, USA
2003/07- 2005/01 Artillery Officer, Kaoshiung, Taiwan
2002/09- 2003/06 Physics Intern, Tainan Girls' Senior High School, Tainan, Taiwan
z AWARDS
2007/12: Student Paper Award by Optics & Photonics Taiwan
2007/12: Student Paper Award by Optics & Photonics Taiwan
2008/04: Paper Invited for publication in the Special Section of JSID titled “Best of the SID’08 Symposium.”
2008/07: Best Industry-University Cooperative Research Award by Chuanghwa Picture Tubes.
2008/09: First Award of Display Design Competition of Northern Taiwan.
2008/11: The Second Place of 2008 National Display Design Final Competition.
2008/12: Student Paper Award by Optics & Photonics Taiwan
2009/06: Research Paper Award of 2008 National Innovative Education Program on Image Display Technology
Time Title Organization
2007 Dec.
Student Paper Award Optics & Photonics Taiwan Dec. Student Paper Award Optics & Photonics
Taiwan 2008 Apr. Best of the SID’08
Symposium Journal of SID
July Best Industry-University
Cooperative Research CPT Sep. First Award of Display
Design Competition
Ministry of Education Nov. Second Place of 2008
National Display Design Final Competition
Ministry of Education Dec. Student Paper Award Optics & Photonics
Taiwan 2009 June Research Paper Award of
2008 National Innovative
z PUBLICATIONS
Journal Papers
(1) Fang-Cheng Lin, Lin-Yao Liao, Cheng-Yu Liao, Yi-Pai Huang, Han-Ping D. Shieh, Te-Mei Wang, and Szu-Che Yeh, “Dynamic Backlight Gamma on High Dynamic Range LCD TVs,” J. Display Technol., vol. 4(2), pp. 139-152 (2008).
[NSC96-2628-E-009-020-MY3]
(2) Yi-Pai Huang, Ke-Horng Chen, Chun-Ho Chen, Fang-Cheng Lin, and Han-Ping D.
Shieh, “Adaptive LC/BL Feedback Control in Field Sequential Color LCD Technique for Color Breakup Minimization,” J. Display Technol., vol. 4(3), pp. 290-295 (2008).
[NSC96-2221-E- 009-113-MY3]
(3) Chun-Ho Chen, Fang-Cheng Lin, Ya-Ting Hsu, Yi-Pai Huang, and Han-Ping D.
Shieh, “A Field Sequential Color LCD Based on Color Fields Arrangement for Color Breakup and Flicker Reduction,” J. Display Technol., vol. 5(1), pp. 34-39 (2009).
(4) Fang-Cheng Lin, Yi-Pai Huang, Ching-Ming Wei, and Han-Ping D. Shieh, “Color Breakup Suppression and Low Power Consumption by Stencil-FSC Method in Field-Sequential LCDs,” J Soc Info Display, vol. 17(3), pp. 221-228 (2009).
[NSC96-2221-E-009-113-MY3]
(5) Fang-Cheng Lin, Yi-Pai Huang, Ching-Ming Wei, and Han-Ping D. Shieh, “Color Filter-Less LCDs in Achieving High Contrast and Low Power Consumption by Stencil-Field-Sequential-Color Method,” accepted by J. Display Technol. (2009/6) (6) Fang-Cheng Lin, Yi-Pai Huang, and Han-Ping D. Shieh, “Color Breakup Reduction
by 180Hz Stencil-FSC Method in Large-Sized Color Filter-Less LCDs,” accepted by J.
Display Technol. (2009/6)
Conference Papers International:
(1) Fang-Cheng Lin, Cheng-Yu Liao, Lin-Yao Liao, Yi-Pai Huang, Han-Ping D. Shieh, Po-Jen Tsai, Te-Mei Wang, and Yao-Jen Hsieh “Inverse of Mapping Function (IMF) Method for Image Quality Enhancement of High Dynamic Range LCD TVs,” SID Symposium Digest Tech Papers, vol. 38, pp. 1343-1346, (2007/5).
(2) Shu-Ping Yan, Yu-Kuo Cheng, Fang-Cheng Lin, Ching-Ming Wei, Yi-Pai Huang, and Han-Ping D. Shieh, “A Visual Model of Color Break-Up for Design Field-Sequential LCDs,” SID Symposium Digest Tech Papers, vol. 38, pp. 338-341 (2007/5).
(3) Cheng-Yu Liao, Fang-Cheng Lin, Lin-Yao Liao, Yi-Pai Huang, and Han-Ping D.
Shieh, “Inverse of Mapping Function Method for Image Quality Enhancement of Dual-Panel Displays,” IDMC 2007, pp.431-434 (2007/7).
(4) Ya-Ting Hsu, Fang-Cheng Lin, Chun-Ho Chen, Yi-Pai Huang, and Han-Ping D.
Shieh, “Drive and Control Circuitry of OCB Field-Sequential Color LCD with High Data Rate,” IDMC 2007, pp.435-438 (2007/7).
(5) Sheng-Chang Chen, Shu-Ping Yan, Yu-Kuo Cheng, Fang-Cheng Lin, Ching-Ming Wei, Yi-Pai Huang, and Han-Ping D. Shieh, “A Human Visual Model for Color Break-Up Artifact in Design Field-Sequential Color LCDs,” IDMC 2007, pp. 872-875 (2007/7).
(6) Yi-Pai Huang, Fang-Cheng Lin, Cheng-Yumr Liao, Ya-Ting Hsu, Wei-Kai Huang, Cheng-Han Tsao, Lin-Yao Liao, Chun-Ho Chen, Han-Ping D. Shieh, “Advanced technologies for high quality LC display,” Optical Fiber Communication and Optoelectronics Conference, Asia, pp. 12-14 (2007/10).
(7) Ya-Ting Hsu, Fang-Cheng Lin, Chun-Ho Chen, Yi-Pai Huang, and Han-Ping D.
Shieh, “A Field Sequential Color LCD Based on Color Field Arrangement for Color Breakup and Flicker Reduction,” IDW’07, pp. 59-62 (2007/12).
(8) Lin-Yao Liao, Fang-Cheng Lin, Yi-Pai Huang, Han-Ping D. Shieh, and Szu-Che Yeh,
“A Real-Time Liquid Crystal Signal Compensation Method for High Dynamic Range LCD,” IDW’07, pp. 1433-1434 (2007/12).
(9) Fang-Cheng Lin, Yi-Pai Huang, Ching-Ming Wei, Han-Ping D. Shieh, Chi-Chung Tsai, and Wen-Chih Tai, “Stencil-FSC Method for Color Break-Up Suppression and Low Power Consumption in Field-Sequential LCDs,” SID Symposium Digest Tech Papers, vol. 39, pp. 1108-1111 (2008/5). [NSC96-2221-E-009-113-MY3]
(10) Guo-Zhen Wang, Yi-Pai Huang, Fang-Cheng Lin, Han-Ping D. Shieh, and Szu-Che Yeh, “Delta-Color Adjustment (DCA) Method for Color Controlled Backlight of High Dynamic Range LCD-TVs,” SID Symposium Digest Tech Papers, vol. 39, pp.
768-771 (2008/5). [NSC96-2221-E-009-113-MY3]
(11) Shih-Hsun Chien, Chun-Ho Chen, Fang-Cheng Lin, Yi-Pai Huang, Han-Ping D.
Shieh, Shian-Jun Chiou, and Wen-Chih Tai, "Adaptive Backlight in Field Sequential Color Display for Optimizing Color Breakup Suppression," IDMC 2009, Wed-S10-04 (2009/4).
(12) Chi-Chu Tsai, Fang-Cheng Lin, Yi-Pai Huang, Ching-Ming Wei, Han-Ping David Shieh, Shian-Jun Chiou, and Wen-Chih Tai, "Color Breakup Suppression in Color Filter-Less LCDs by Optimized Stencil-Field-Sequential-Color Method," IDMC 2009, Wed-P5-18 (2009/4).
(13) Han-Ping D. Shieh, Yi-Pai Huang, Fang-Cheng Lin, Huang-Ming P. Chen, and Yu-Kuo Cheng, “Eco-Display– an LCD-TV Powered by a Battery?” SID Symposium Digest Tech Papers, vol. 40, pp. 228-231 (2009/6). [NSC96-2628-E009-021-MY3]
(14) Fang-Cheng Lin, Yi-Pai Huang, Ching-Ming Wei, and Han-Ping D. Shieh, “Color Breakup Reduction by 180Hz Stencil-FSC Method in Large-Sized Color Filter-Less
Domestic:
(1) Lin-Yao Liao, Fang-Cheng Lin, Yi-Pai Huang, Han-Ping D. Shieh, Szu-Che Yeh, and Julienne Lyu, “A Liquid Crystal Signal Compensation Method with Lower Computational Complexity for Dynamic Range LCD,” OPT2007, GO-006 (2007/11).
[Student Paper Award]
(2) Jian-Lung Wu, Fang-Cheng Lin, Chun-Ho Chen, Yi-Pai Huang, and Han-Ping D.
Shieh, “A 5.6-Inch Field Sequential Color LCD with Less Color Break-Up,” OPT2007, GO-004 (2007/11). [Student Paper Award]
(3) Fang-Cheng Lin, Lin-Yao Liao, Cheng-Yumr Liao, Yi-Pai Huang, and Han-Ping D.
Shieh, “Backlight Determination of High Dynamic Range LCDs,” OPT2007, GO-012 (2007/11). [NSC96-2628-E-009-020-MY3]
(4) Ching-Ming Wei, Fang-Cheng Lin, Chao-Chiun Liang, and Yi-Pai Huang, “Utilize RGBWmin Color Sequence to Suppress CBU Phenomenon on FSC-LCDs,” OPT2007, GO-014 (2007/11).
(5) Guo-Zhen Wang, Fang-Cheng Lin, Yi-Pai Huang, Han-Ping D. Shieh, Szu-Che Yeh, and Julienne Lyu, “Delta-Color Adjustment Method for HDR-LCD TVs,” OPT2007, GO-021 (2007/11).
(6) Chien-Liang Wu, Chun-Ho Chen, Fang-Cheng Lin, Yi-Pai Huang, and Han-Ping D.
Shieh, “Demonstration of a Mobile-Sized Field Sequential Color LCD for Color Break-up Suppression,” Taiwan Display Conference, No. E003 (2008/6).
(7) Ching-Ming Wei, Fang-Cheng Lin, Chao-Chiun Liang, and Yi-Pai Huang,
“Stencil-FSC Method for CBU Suppression and Low Power Consumption in Field-Sequential LCDs,” Taiwan Display Conference, No. E004 (2008/6).
(8) Guo-Zhen Wang, Fang-Cheng Lin, Yi-Pai Huang, Han-Ping D. Shieh, and Szu-Che Yeh, “Delta-Color Adjustment (DCA) Method for Color Backlight of High Dynamic Range LCD-TVs,” Taiwan Display Conference, No. E005 (2008/6).
(9) Fang-Cheng Lin, Yi-Pai Huang, Ching-Ming Wei, and Han-Ping D. Shieh,
“Stencil-FSC Method Achieving a Green LCD-TV,” OPT2008, S13-01 (2008/12).
[NSC96-2221-E-009-113-MY3] [Student Paper Award]
PENDING
P
ATENTS(1) 林芳正,廖振宇,廖凌嶢,黃乙白,謝漢萍,汪德美, “液晶顯示器之背光控制方法.”
台灣申請號(TW)：96103083 @2007/01/26 公開號：200832320@2008/08/01
台灣申請號(TW)：96103083 @2007/01/26 公開號：200832320@2008/08/01